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Question: Find d/dx ((ε2R)/(r+R)2) using a) quotient rule b) product rule.
The initial kinetic energy imparted to a 0.0200-kg bullet is 1200J. (a) Assuming it accelerated down a 1.00-m longrifle barrel, estimate the average power delivered to it during thefiring.
The first two dark fringes on one side of the central maximum in a single-slit diffraction pattern are 1.0 mm apart. What is the slit width
A 50 kg diver steps off a 10 m high platform and strikes the water below in 1.43 seconds. determine the average frictional force that stopped his motion while in the water
A capacitor is connected across an ac generator whose frequency is 750 Hz and whose peak output voltage is 140 V. The rms current in the circuit is 3 A. What is the capacitance of the capacitor? What is the magnitude of the maximum charge on one plat..
A circuit consists of a resistor in series with an inductor and an ac generator that supplies a voltage of 115 V. Find the average power delivered in the circuit
A single mass m1 = 4.5 kg hangs from a spring in a motionless elevator. The spring is extended x = 15.0 cm from its unstretched length. find the force the bottom spring exerts on the bottom mass
A frictionless pulley has the shape of a uniform solid disk of mass 6.00 and radius 28.0 . A 2.70stone is attached to a very light wire that is wrapped around the rim of the pulley(Figure 1) , and the stone is released from rest. As it falls down,..
rob and dave run a 100-m race crossing the finish line in a dead heat both taking 10.0s. they each accelerate uniformly
A possible means for making an airplane invisible to radar is to coat the plane by an antireflective polymer. If radar waves have a wavelength of 3.10 cm and the index of refraction of the polymer is n = 1.70, how thick would you make the coating? (S..
One of the most efficient engines ever built is a coal-fired steamturbine in the Ohio valley, driving an electric generator as itoperates between 1870°C and 430°C. What is its maximum theoretical efficiency
A rifle is test fired into a ballistic pendulum. The bullet embeds itself in the block of mass 0.55kg that makes up the bob of the pendulum. What is the muzzle velocity of the rifle
A double-bolted lap joint is made by connecting two 4- by fin A36 steel plates with two fin A325 high-strength bolts (threads do not occur at the shear plane).
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